Material door updates: lock and damage (#5659)

-ported locks and keys from baystation
-fixed the simple door damage interaction, now you can properly destroy it and etc

code/modules/lock/lock_construct.dm

@@ -0,0 +1,30 @@
+/obj/item/weapon/material/lock_construct
+	name = "lock"
+	desc = "A crude but useful lock and bolt."
+	icon = 'icons/obj/storage.dmi'
+	icon_state = "largebinemag"
+	w_class = 1
+	var/lock_data
+
+/obj/item/weapon/material/lock_construct/New()
+	..()
+	force = 0
+	throwforce = 0
+	lock_data = generateRandomString(round(material.integrity/50))
+
+/obj/item/weapon/material/lock_construct/attackby(var/obj/item/I, var/mob/user)
+	if(istype(I,/obj/item/weapon/key))
+		var/obj/item/weapon/key/K = I
+		if(!K.key_data)
+			to_chat(user, "<span class='notice'>You fashion \the [I] to unlock \the [src]</span>")
+			K.key_data = lock_data
+		else
+			to_chat(user, "<span class='warning'>\The [I] already unlocks something.</span>")
+		return
+	..()
+
+/obj/item/weapon/material/lock_construct/proc/create_lock(var/atom/target, var/mob/user)
+	. = new /datum/lock(target,lock_data)
+	user.drop_from_inventory(src,user)
+	user.visible_message("<span class='notice'>\The [user] attaches \the [src] to \the [target].</span>")
+	qdel(src)